Home / 289,172,483.62-399,053,941.61-163,721,442.47

Finding the Fourth Proportional to 289,172,483.62, 399,053,941.61 and 163,721,442.47

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Solution

The fourth proportional to 289,172,483.62, 399,053,941.61 and 163,721,442.47 is: 225,933,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,172,483.62 : 399,053,941.61 = 163,721,442.47 : x
  2. Step 2: Convert to fraction form
    289,172,483.62/399,053,941.61 = 163,721,442.47/x
  3. Step 3: Cross multiply
    289,172,483.62x = 399,053,941.61 × 163,721,442.47
  4. Step 4: Simplify right side
    289,172,483.62x = 65,333,686,940,914,480
  5. Step 5: Solve for x
    x = 65,333,686,940,914,480/289,172,483.62
  6. Step 6: Final answer
    x = 225,933,277.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.